Ukuqonda ABS Shot Molding

Ukubumba ukudubula kwesisu kubhekisela enkambweni yokujova ipulasitiki yesisu encibilikisiwe esikhunjeni lapho kunengcindezi ephezulu kanye namazinga okushisa. ZiningiUkubumba umjovo we-ABSizicelo njengoba kuyipulasitiki esetshenziswa kakhulu futhi ingatholakala ezimotweni, izinto zamakhasimende, kanye nemikhakha yokwakha phakathi kwezinye.

Iyini i-ABS Shot Molding?

Ukubumba umjovo we-ABS (Acrylonitrile Butadiene Styrene) kungenye yezindlela ezikhethwa kakhulu zokwenza izinto zepulasitiki ze-ABS. Imisipha yesisu iyipolymer ye-polycarbonate ehlala isikhathi eside futhi kulula kakhulu ukusebenzisana nayo. Ukubumba isibhamu kuyinqubo ehlanganisa ukujova i-ABS encibilikisiwe phakathi kwesikhunta kanye nesikhutha. Ingxenye ye-ABS iyaphola futhi iyaxoshwa. Ukubumba umjovo kuyashesha futhi kuthembekile, futhi kungasetshenziswa ukuthuthukisa izinto ezahlukahlukene zesisu. Umbhangqwana kakhulu wokwenza izinto ezintsha ungafinyelela isikali esifanayo ngokungabizi okuhlinzekwe ngokubunjwa kwesibhamu.

Imisipha yesisu isetshenziswa kakhulu ekubumbeni isibhamu ngenxa yezakhiwo zayo ezithandwayo. Lokhu kufaka phakathi ukuqina okuphezulu, izinga lokushisa eliphansi lokuncibilika, ukuphinda usebenziseke kabusha, nokumelana kahle namakhemikhali nokufudumala. Ngokufanayo kulula ukusetshenzwa futhi ingakhiwa ibe yizinhlobonhlobo zobukhulu nezimo. Ngakho-ke, i-ABS iyinketho ekahle yezinhlelo zokusebenza lapho kudingeka khona amandla nokuqina, njengalezi: izingxenye zezimoto, izinto zikagesi zomndeni, amathuluzi, namathuluzi omtholampilo. Sekukonke, imisipha yesisu iyisinqumo esivumelana nezimo futhi esivelele sokubumba umjovo.

Izicelo ze-ABS Umjovo Molding

Isisu sisetshenziswa ezimakethe eziningana. Ezinye izimboni ezijwayelekile kanye nezicelo zazo ezifanele zibalwe ngezansi.

Imikhiqizo yabathengi: imisipha yesisu ivame ukusetshenziswa emkhakheni wabathengi. Izinto ezijwayelekile zihlanganisa amabhulokhi e-Lego Ⓡ nezimfihlo zekhibhodi yekhompyutha. Umsipha wesisu ukhiqiza indawo engaphezulu ebushelelezi, ecwebezelayo okungangeneki kuyo uthuli. I-ABS izosabela kahle ekufakweni kwezingulube futhi ingapendwa kalula noma mhlawumbe ifakwe ugesi uma ikhethwa.
Imakethe Yokwakha: imisipha yesisu isetshenziselwa izindawo ezingokoqobo kumathuluzi amaningi wamandla ngenxa yokuqina kwayo. Ukufakwa kwemithombo yamandla nakho kuvame ukwenziwa nge-ABS.
Imakethe yezimoto: I-ABS ivamise ukusetshenziselwa izingxenye ezifana nalezi: amadeshibhodi, izingxenye zebhande lokuphepha, izinsimbi zomnyango, nobhampa ngenxa yesisindo sayo esinciphile, ukuqina, namandla.

I-ABS Shot Molding Refine

Inqubo yokubumba imisipha yesisu iyafana nenqubo ehilelekile ekubumbeni isibhamu kwezinye eziningi ezihlukahlukene ze-thermoplastics. Inqubo yokubumba umjovo we-ABS iqala ngokuthi ama-pellets ezinto ze-ABS afakwe esitshalweni. Ama-pellets angemva kwalokho ancibilikisiwe futhi ajovwe esikhunjeni ngaphansi kwengcindezi ephezulu. Lapho umsipha wesisu oncibilikisiwe usupholile ngempela futhi uqina, ingxenye iyaxoshwa ekubunjweni futhi inqubo iyaphindwa. Inqubo yokubumba imisipha yesisu iyisisekelo futhi iyasebenza, iyenza ilungele ukugijima kokukhiqiza kwevolumu ephezulu. I-ABS ngokufanayo inokuqina okuhle kobukhulu futhi ingafakwa ngomshini kalula noma ibhojwe ngemva kokubunjwa.

ABS Shot Molding Strategies

Kubhalwe ngezansi ezinye zezindlela ezibalulekile ezisetshenziselwa umjovo ukubumba izingxenye zemisipha yesisu ezinezimfanelo ezihlukahlukene:

Izingxenye Ezinezindonga Ezincane: I-ABS inogqinsi oluphakeme ngokunengqondo, futhi njengoba ukucindezela komjovo okunjalo kudinga ukuthuthukiswa ukuze kuthuthukiswe izingxenye ezinezindonga ezincane. Kudlule izinga lokushisa le-plasticizing, i-viscosity ye-ABS izokhuphuka ngokunyuka kwezinga lokushisa. Ngakho-ke, ingcindezi kuphela inganyuswa ezingxenyeni ezinezindonga ezincane. Isikhunta kumelwe siklanywe ngokukhethekile ukubhekana nalokhu kucindezeleka okukhulayo.
Izingxenye Ezinkulu Ezingenalutho: Ukubumba komjovo okukhulu, okuncane, noma okungenalutho kuyahlola. Kungase kube usizo ukusizakala ngokusizwa ngamanzi noma ukusizwa ngegesiukubumba umjovoevumela ukwakhiwa kwezingxenye ezinkulu, ezinodonga oluncane, noma ezingenalutho. Le nqubo isebenzisa amanzi anomfutho ophezulu noma igesi ukusunduza ipulasitiki encibilikisiwe ezinhlangothini zesikhunta ukuze idale ukuminyana okungaguquki kanye nenani elingaphakathi elibushelelezi.
Izingxenye Eziwugqinsi Ezinodonga: Ukukhiqiza ukuqeda amasu okubumba aqinile kungenza ama-sink marks engxenyeni. Enye indlela yokuzungeza lokhu iwukusebenzisa i-compression shot shape, efaka inani elithile lepulasitiki elincibilikisiwe libe yisikhunta kanye nesikhutha ukuze kukhiqizwe ingxenye yokugcina. Lelisu liphinde lehlise izingcindezi zangaphakathi ezijwayelekile ngokubumba isibhamu. Ngakolunye uhlangothi, izimpawu zokucwila zinganakekelwa ngesikhunta esincanyana (noma ngaphezulu komfaniswano) kanye nodonga lwesikhunta noma ukukhuphula umthamo wokudlulisa okushisayo esibunjeni.
Umkhiqizo Omuningi: Uma izingxenye ze-multi-material zidingeka, khona-ke izindlela ezinjengokufaka ukubumba noma ukugoqa ngokweqile zingasetshenziswa. Imisipha yesisu ivamise ukusetshenziselwa amathuluzi ezimboni njengama-drill angenantambo, izibambo zawo zigxunyekwe phezu kwesisu ukuze kuthuthukiswe ukubanjwa kwedivayisi.

Izinzuzo ze-ABS Injection Molding

Izinzuzo zokubumba umjovo we-abdominal muscle yilezi:

1. Ukusebenza Okuphezulu - Ukusebenza Ngempumelelo

I-shot molding iyindlela entsha yokukhiqiza esebenza kahle kakhulu futhi ekhiqizayo futhi iyindlela enconyiwe yokukhiqiza izingxenye zemisipha yesisu. Inqubo ikhiqiza imfucuza ekhawulelwe futhi ingakhiqiza izingxenye ezinkulu zezingxenye ngokuxhumana kwabantu okulinganiselwe.

2. Ukuhlelwa Kwezingxenye Eziyinkimbinkimbi

Ukubumba isibhamuingakwazi ukukhiqiza izingxenye ezinezici eziningi, eziyinkimbinkimbi ezingafaka izinto ezifakwa ensimbi noma izibambo zokubamba ezithambile ezibunjwe ngokweqile. Ukuxaka kwezingxenye kukhawulelwe nje isethi yamazinga asezingeni eliphezulu esitayela sokukhiqiza (DFM) adalelwe ikakhulukazi ukubumba umjovo.

3. Ukwanda kokuqina

Isisu siyi-polycarbonate eqinile, engasindi esetshenziswa kakhulu ezimakethe ezahlukahlukene ngenxa yalezi zakhiwo. Kanjalo, ukubumba komjovo ku-ABS kulungele izinhlelo zokusebenza ezidinga ukuqina okukhuphukile namandla aphelele emishini.

4. Ukuhlukahluka Komthunzi Nomkhiqizo

Isisu sinombala ofanelekayo ngezinhlobonhlobo ezihlukahlukene ze-shades; lokhu kubonakala ngamabhulokhi e-Lego Ⓡ enziwe ngomsipha wesisu. Kumele kuqashelwe, noma kunjalo, ukuthi i-ABS ayinakho ukumelana nesimo sezulu esinganele futhi ingonakaliswa ukukhanya kwe-UV kanye nesikhathi eside ngaphandle kokuchayeka okuqondile. Izindaba ezinhle ukuthi, i-ABS ingapendiwa kabusha futhi ifakwe ugesi ngensimbi ukuze kuthuthukiswe ukumelana kwayo nemvelo.

5. Udoti Owehlisiwe

Ukubumba isibhamu kuwubuchwepheshe besimanje obukhiqiza imfucuza ephansi ngenxa yomthamo omkhulu wokukhiqiza okwadalelwa ukubumba umjovo. Uma kwenziwa izinto eziningi unyaka ngamunye, noma yiluphi uhlobo lwenani lokumosha lengeza inani elikhulu ngokuhamba kwesikhathi. Okuwukuphela kwemfucuza yizinto eziku-sprue, ama-joggers, kanye nokukhanya phakathi kwama-mold half.

6. Okungabizi Kwabasebenzi

Ngenxa yemvelo ezenzakalelayo yokubumba isibhamu, ukungenelela komuntu okulinganiselwe kuyadingeka. Ukwehliswa kokungenelela kwabantu kuphumela emananini ancishisiwe abasebenzi. Lezi zindleko ezincishisiwe zabasebenzi ekugcineni ziholela ekuthengeni ingxenye ngayinye.

Izici Ezingezinhle Zokubumba Umjovo we-ABS

Izithiyo zokubumba umjovo we-ABS zibalwe lapha:

1. Izindleko Zokusebenza Eziphezulu Nezikhathi Zokuhola Ezandisiwe Zokusetha

Ukubumba ama-shot kudinga isitayela nokukhiqizwa kwezikhunta izindleko zazo nesikhathi sokukhiqiza sikhuphuka ngokuxaka kwengxenye. Kanjalo, ukutshalwa kwezimali kokuqala ekubumbeni isibhamu kuphezulu, futhi intengo kufanele ibhekwe ngokuqhathaniswa nenani lokukhiqiza elilindelekile. Amanani aphansi okukhiqiza angahle angenzeki ngokomnotho.

2. Imikhawulo Yedizayini Eyingxenye

Imiklamo yezingxenye ezakhelwe ngesibhamu inqunyelwe iqoqo lemithetho ethuthukiswe ngokucophelela ukuze kuthuthukiswe ikhwalithi yengxenye eyakhiwe ngeshothi kanye nokuvumelana. Le mithetho icacisa imikhawulo yokuminyana kodonga, indawo yokuthuthukisa izici ezifana nezimbambo, nendawo ekahle yokuvula nobukhulu. Ngakho-ke, izitayela kufanele zenziwe ukuze zihambisane nalezi zinqubomgomo ukuze kuqinisekiswe imiphumela emihle. Kwezinye izimo, le mihlahlandlela ingaqinisekisa ukuthi izitayela azinakwenzeka.

3. Izingxenye Zokugijima Okuncane Ezibizayo Ziyithuba

Ngenxa yenani eliphezulu lokutshalwa kwezimali kwasekuqaleni lapho kwakhiwa umjovo, kunenani elincane lengxenye elidingekayo ukuze lephule ngisho namanani asetshenziswe ekwakhiweni nasekukhiqizeni isikhunta. Leli phuzu lokulinganisa nalo lincike enanini elimisiwe lokuthengisa lomkhiqizo wokugcina. Uma intengo yokuthengisa iphezulu– ngenxa yengxenye esetshenziselwa isicelo esikhethekile– kungenzeka kube nokukhiqiza okuncane. Noma kunjalo, izingxenye ezingabizi zidinga amanani aphezulu kuma-10s ezinkulungwane ukuthi athengeke.

Ezinye Izinkinga Ezijwayelekile ku-ABS Shot Molding

• Ubukhulu: Ngokungafani namanye amapulasitiki amaningi ahlukahlukene, i-viscosity ye-ABS iyakhuphuka lapho ishiswa idlule izinga lokushisa le-plasticizing. Lokhu kwanda kogqinsi kusho ukuthi izinga lokushisa elincibilikayo lemisipha yesisu lidinga ukugcinwa noma lingaphansi kwaleli zinga lokushisa ukuze uthole imiphumela emihle njengoba i-viscosity ethuthukisiwe ngokuqinisekile izokwenza kube nzima ukubumba kanye nokukhunta izakhi ezinezindonga ezincane.
• Ukuwohloka kokushisa: Ngaphandle kokwenyuka okungafuneki kogqinsi ngezinga lokushisa elithuthukisiwe, i-ABS ivamise ukuba buthakathaka ngokwekhemikhali uma igcinwa emazingeni okushisa ngaphezu kwezinga layo lokushisa lepulasitiki.
• Ukugoba: Ukugoba kwenzeka lapho ipulasitiki yesisu iphola ngokushintshashintsha, okuholela ekuhlanekeni. Ukuguqula kungavinjelwa ngokusebenzisa isikhunta nesikhutha esinamanethiwekhi ahlukene omoya ahlukene. Ukukhipha izingxenye esikhunjeni nesikhutha ngaphambi kokuba ziphole ngokuphelele nakho kungabangela ukungqubuzana.
• Sink Marks: Izimpawu zokucwila zingenzeka lapho ipulasitiki yemisipha yesisu incipha ngokungalingani ngesikhathi sokupholisa, idale izindawo ezishonile ebusweni bengxenye. Ezinye izimbangela ezingaba khona kungaba ukucindezela komjovo okunganele noma izinga lokushisa elidlulele. Izimpawu zokucwila zingamiswa ngokusebenzisa isikhunta esinomfutho ophakeme wesango, ukwakha ingxenye enezindonga zangaphandle ezingaguquki, nokukhawulela izimbambo eziqinisa ngaphakathi zibe cishe ku-50% wokuminyana kwezindonga zangaphandle.

Umkhiqizo Owenzelwe Ukubumba Umjovo

Ukubumba umjovo kungasetshenziswa cishe nanoma yiluphi uhlobo lwei-polycarbonate. I-Thermoplastics ingagcwala izithasiselo eziqinisayo njengengilazi noma izigcwalisi ze-carbon fibre. Izinsimbi nazo zingafakwa uma zihlanganiswe nezinto zokugcwalisa ipulasitiki ukuze impushana yensimbi ikwazi ukugeleza phakathi kwesikhunta. Noma kunjalo, i-sintering eyengeziwe iyadingeka ekubumbeni umjovo wensimbi.